/**
   头部导航开始
  **/
/* body {
  height: 7000px;
} */
.nav {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background-color: #ffffff;
  /* padding: 25px; */
}
.nav .nav_top {
  width: 100%;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  /* padding: 10px 0; */
  margin-bottom: 5px;
}
.nav .nav_top .nav_middle {
  margin-right: 250px;
}
.nav .nav_center {
  padding: 0;
  border-bottom: 1px solid #ccc;
}
.nav .nav_bottom {
  margin-top: 10px;
  line-height: 40px;
  height: 70px;
  margin-left: 20px;
}
.nav .nav_bottom ul > li {
  width: 130px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 18px;
  padding: 0 8px;
  border-right: 1px solid #ccc;
}
.nav .nav_bottom ul li:first-child {
  padding-left: 0;
}
.nav .nav_bottom ul li:last-child {
  padding-right: 0;
  border: 0;
}
.nav .nav_top .nav_middle p {
  font-size: 20px;
  font-weight: 700;
}
.nav .nav_top .nav_right {
  width: 220px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav .nav_top .nav_right div > p {
  font-size: 20px;
  font-weight: 700;
}
.nav .nav_bottom .col-md-1 {
  margin-left: 10px;
}

/**右侧导航开始 **/
.navbar {
  width: 50px;
  height: 190px;

  position: fixed;
  top: 220px;
  right: 0;
  z-index: 26;
}
.navbar ul {
  width: 100%;

  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}

.navbar ul li {
  width: 100%;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 18px;
  padding: 0 8px;
  background-color: #076ce0;
  border-bottom: 0.2px solid #ccc;
  cursor: pointer;
  position: relative;
  top: 0;
  left: 0;
}

.navbar ul li .one {
  width: 0;
  height: 40px;
  background-color: white;
  color: blue;
  display: flex;
  justify-content: space-evenly;
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 5px;
}
.navbar ul li .one i {
  color: blue;
}
.navbar ul li .two {
  width: 0;
  height: 40px;
  background-color: white;
  color: blue;
  display: flex;
  justify-content: space-evenly;
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 5px;
}
.navbar ul li .two i {
  color: blue;
}
.navbar ul li .three {
  width: 0;
  height: 40px;
  background-color: white;
  color: blue;
  display: flex;
  justify-content: space-evenly;
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 5px;
}
.navbar ul li .three i {
  color: blue;
}
.navbar ul li .four {
  width: 0;
  height: 40px;
  background-color: white;
  color: blue;
  display: flex;
  justify-content: space-evenly;
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 5px;
}
.navbar ul li .four i {
  color: blue;
}
/* .navbar ul li:nth-child() */

.navbar ul li i {
  font-size: 20px;
  color: #fff;
}
.navbar ul li .one-show p {
  font-size: 16px;
}
.navbar ul li .one-show {
  position: absolute;
  top: -18px;
  right: 174px;
  width: 150px;
  height: 80px;
  background-color: white;
  z-index: 20;
  box-sizing: border-box;
  padding: 2px;
  border-radius: 10px;
  display: none;
}

.navbar ul li .two-show {
  position: absolute;
  top: -18px;
  right: 174px;
  width: 120px;
  height: 130px;

  background-color: white;
  z-index: 20;
  box-sizing: border-box;
  padding: 5px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  display: none;
}
.navbar ul li .two-show p {
  font-size: 16px;
}
.navbar ul li .three-show {
  position: absolute;
  top: -18px;
  right: 174px;
  width: 120px;
  height: 100px;
  background-color: white;
  z-index: 20;
  box-sizing: border-box;
  padding: 10px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  display: none;
}
.navbar ul li .three-show p {
  font-size: 16px;
}

.navbar ul li .four-show {
  position: absolute;
  top: -10px;
  right: 174px;
  width: 120px;
  height: 60px;
  background-color: white;
  z-index: 20;
  box-sizing: border-box;
  padding: 10px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  display: none;
}
.navbar ul li .four-show p {
  font-size: 16px;
}

/** 
 右侧导航结束
**/
/**
返回顶部按钮
**/
.nav-btn {
  width: 60px;
  height: 60px;
  line-height: 50px;
  background-color: #076ce0;
  text-align: center;
  position: fixed;
  top: 480px;
  right: 250px;
  z-index: 22;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 5px;
}
.nav-btn:hover{
  opacity: .3;
}
.nav-btn > i {
  font-size: 30px;
  color: #fff;
  line-height: 30px;
  font-weight: 700;
  cursor: pointer;
}


















/**
   轮播图开始

  **/

.banner {
  width: 100%;
  height: 450px;
  /* margin-top: 150px;  */
}
.carousel,
.carousel img {
  width: 100%;
  height: 450px !important;
}
/**
联系我们区域
**/
.contactus {
  width: 100%;
  height: 550px;
  /* background-color: #6f9ebd; */
}

.contactus .contactus-top {
  width: 100%;
  height: 150px;
  background-color: #ffffff;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  flex-direction: column;
}

.contactus .contactus-top p {
  font-size: 18px;
  color: #999494;
}

.contactus .contactus-center {
  width: 100%;
  height: 350px;
  /* background-color: #70adc9; */
  display: flex;
}
.contactus .contactus-center .left {
  flex: 1;
  /* background-color: aqua; */
  background: url(../img/公司地址.png) no-repeat;
  background-size: 100%;
  background-position: 20%;
}

.contactus .contactus-center .right {
  flex: 1;
  /* background-color: rgb(47, 165, 31); */
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  padding: 10px;
  margin-left: 20px;
  /* align-items: center; */
}

.contactus .contactus-center .right p {
  font-size: 18px;
}



/**
项目需求区域
*/
.demand {
  width: 100%;
  height: 350px;
  background-image: url(../img/皮革背景.webp);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  padding: 30px;
}
.demand .demand-top h1 {
  font-weight: 700;
  color: black;
}
.demand .demand-center {
  margin: 50px 0;
}
.demand .demand-center .form-group {
  margin-left: 50px;
}
.demand .demand-center .btn {
  margin-left: 50px;
  background-color: black;
  color: #ccc;
}

.demand .demand-bottom {
  margin: 100px 0;
}
.demand .demand-bottom p {
  margin-top: 10px;
  font-size: 18px;
}

/**底部区域*/
.footer {
  width: 100%;
  height: 300px;
  background-color: #40444b;
}
.footer .container {
  display: flex;
  height: 300px;
  justify-content: space-around;
}
.footer .container .footer-left {
  flex: 2;
  height: 100%;
  /* background-color: aquamarine; */
  padding: 30px 0;
}
.footer .container .footer-left .footer-left-top {
  display: flex;
}
.footer .container .footer-left .footer-left-top p {
  font-size: 16px;
  color: #f9f9f9;
}
.footer .container .footer-left .footer-left-top ul li {
  float: left;
  margin-left: 12px;
  font-size: 16px;
}
.footer .container .footer-left .footer-left-top ul li a {
  color: #f9f9f9;
}

.footer .container .footer-left .footer-left-bottom p {
  font-size: 16px;
  color: #f9f9f9;
  line-height: 30px;
  margin-top: 10px;
}

.footer .container .footer-right {
  flex: 1;
  height: 100%;
  /* background-color: rgb(194, 114, 204); */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.footer .container .footer-right img{
  width: 150px;
}
.footer .container .footer-right p {
  margin-top: 20px;
  color: #f5f5f5;
  font-size: 18px;
}
